Age Check

Check whether a date of birth meets a minimum age. Returns the exact age, whether the threshold is met, and the days until it is.

Pay by wallet (x402) age-verify

Example

Example answer

{
  "age_days": 15,
  "age_years": 0,
  "age_months": 5,
  "date_of_birth": "2026-05-12",
  "meets_minimum": false,
  "reference_date": "2026-10-27",
  "days_until_minimum": 6407,
  "date_of_birth_valid": true,
  "minimum_age_checked": 18
}

Inputs

Field	Type	Required	What it is
`minimum_age`	integer	No	Minimum age to verify (default 18)
`date_of_birth`	string	Yes	Date of birth (YYYY-MM-DD)
`reference_date`	string	No	Date to check against (default today)

Output fields

How reliably each field appears in a successful answer.

Field	Type	Appears
`age_days`	integer	Always (present in every successful answer)
`age_years`	integer	Always (present in every successful answer)
`age_months`	integer	Always (present in every successful answer)
`meets_minimum`	boolean	Always (present in every successful answer)
`days_until_minimum`	integer	Usually (present for most inputs)
`date_of_birth_valid`	boolean	Always (present in every successful answer)
`minimum_age_checked`	integer	Always (present in every successful answer)
`reference_date`	—	Always (present in every successful answer)

How to call it

The same tool through each route. MCP clients reach it through Strale’s server at https://api.strale.io/mcp; the call below is what the agent sends.

# Needs an API key. max_price_cents caps what this call may cost.
curl -X POST https://api.strale.io/v1/do \
  -H "Authorization: Bearer $STRALE_API_KEY" \
  -H 'Content-Type: application/json' \
  -d '{
    "capability_slug": "age-verify",
    "inputs": {
      "date_of_birth": "1990-01-15",
      "minimum_age": 18
    },
    "max_price_cents": 2
  }'

{
  "tool": "strale_execute",
  "arguments": {
    "slug": "age-verify",
    "inputs": {
      "date_of_birth": "1990-01-15",
      "minimum_age": 18
    },
    "max_price_cents": 2
  }
}

import { Strale } from "straleio";

const strale = new Strale({ apiKey: process.env.STRALE_API_KEY! });
const result = await strale.do({
  capability_slug: "age-verify",
  inputs: {
    "date_of_birth": "1990-01-15",
    "minimum_age": 18
  },
  max_price_cents: 2,
});

import os
from straleio import Strale, DoRequest

strale = Strale(api_key=os.environ["STRALE_API_KEY"])
result = strale.do(DoRequest(
    capability_slug="age-verify",
    inputs={
        "date_of_birth": "1990-01-15",
        "minimum_age": 18,
    },
    max_price_cents=2,
))

# No account. The first request answers 402 with the price in USDC;
# an x402 client pays it from your wallet and repeats the request.
curl -i 'https://api.strale.io/x402/v2/age-verify?date_of_birth=1990-01-15&minimum_age=18'

Limitations

Does not verify identity
Verifies age from a provided date of birth — does not verify the person's identity or that the DOB is authentic